Antminer T21 – 233 TH/s

Antminer T21 – 233 TH/s

High-Performance SHA-256 ASIC Miner for Bitcoin Mining

Product Overview

The Antminer T21 is a high-performance ASIC miner engineered for the SHA-256 algorithm, delivering a hashrate of 233 TH/s for mining Bitcoin (BTC) and other SHA-256-based cryptocurrencies. With an energy efficiency of 19 J/TH and a power consumption of 4,630 W, it offers a solid balance between performance and operating cost, suitable for both small-scale miners and large mining farms.

Built by Bitmain, the T21 leverages advanced chip technology to ensure stable output, reduced downtime, and long-term reliability. Its robust design, integrated security features, and user-friendly software make monitoring and management straightforward, even at scale.

Performance Highlights

• Hashrate of 233 TH/s optimized for SHA-256 mining

• Energy efficiency of 19 J/TH

• Power consumption of 4,630 W

• Designed for Bitcoin (BTC) and SHA-256-based cryptocurrencies

• Stable air-cooled operation for continuous mining

Historical and Projected Profitability

Based on recent data and an electricity rate of $0.04/kWh:

• Average daily profitability: approximately $7.06 USD

• Estimated ROI: 14 to 17 months, depending on Bitcoin price and network difficulty

Profitability figures are indicative and subject to market conditions.

Technical Specifications

• Vendor: Antminer

• Brand: Bitmain

• Model: T21

• Algorithm: SHA-256

• Supported coins: Bitcoin (BTC)

• Hashrate: 233 TH/s

• Power consumption: 4,630 W

• Energy efficiency: 19.00 J/TH

• Cooling system: Air-cooling

• Noise level: 75 dB

• Dimensions: 400 × 195 × 290 mm

• Operating temperature: 5°C to 45°C

• Network interface: Ethernet

• Power cord: Shipped according to client destination

• Release date: February 2024

Profitability and ROI Insights

• Earnings depend on Bitcoin market conditions and network difficulty

• Hosting estimates calculated with electricity rates as low as $0.04/kWh

• Use the Profitability Calculator for customized projections

Deployment Options: Shipping or Hosting

Shipping

• Direct delivery from Shenzhen via DHL, UPS, FedEx, or TNT

• Estimated delivery time: 5–7 business days

• Secure packaging with tracking

• Bulk orders over $500,000 qualify for custom pricing

Hosting

• Available locations: USA, Dubai, Norway, Finland, Ethiopia, Nigeria

• Electricity rate: $0.04/kWh

• Fully managed operation with 24/7 monitoring and maintenance

Estimated ROI by Location

• USA: $0.065/kWh – ~16.5 months

• Nigeria: $0.047/kWh – ~14.1 months

• Ethiopia: $0.054/kWh – ~14.9 months

• Dubai: $0.059/kWh – ~15.3 months

• Finland: $0.069/kWh – ~16.8 months

• Norway: $0.064/kWh – ~17.3 months

Hosting Benefits

• 7-year full warranty on hosted miners

• 95 percent or higher uptime

• Deployment within 1 to 7 days

• Exchange services for fiat currencies and cryptocurrencies

• 0 percent mining fee, 100 percent of mined coins belong to you

• Reduced infrastructure costs with access to low-cost electricity

Key Features and Benefits

• Strong SHA-256 hashrate with balanced energy efficiency

• Advanced chip technology for consistent Bitcoin mining

• Compact and durable build for easy integration

• Built-in security features protecting mining operations

• Real-time monitoring of hashrate and performance

• Reliable Ethernet connectivity for remote management

Why Choose the Antminer T21

The Antminer T21 delivers dependable SHA-256 performance with 233 TH/s hashrate and efficient power usage. Its durability, straightforward management, and flexible shipping or hosting options make it a reliable choice for miners seeking steady Bitcoin profitability at competitive energy costs.

Warranty, Shipping, and Support

• Warranty: 7 years for hosted units, 12 months for shipped units (void if misused)

• Shipping: Worldwide delivery within 5–7 business days with tracking

• Payment options: Cryptocurrency or wire transfer; hosting costs may be deducted from mining revenue

• Customer support: 24/7 assistance for setup, hosting, and troubleshooting

Pre-orders are open. Contact us for bulk pricing or hosted deployment options.